CN113933930A

CN113933930A - Optical fiber ribbon and optical fiber ribbon production equipment

Info

Publication number: CN113933930A
Application number: CN202111256305.5A
Authority: CN
Inventors: 吴海波; 林海龙; 张成龙
Original assignee: Nanjing Wasin Fujikura Optical Communication Ltd
Current assignee: Nanjing Wasin Fujikura Optical Communication Ltd
Priority date: 2021-10-27
Filing date: 2021-10-27
Publication date: 2022-01-14
Anticipated expiration: 2041-10-27
Also published as: CN113933930B

Abstract

The invention discloses an optical fiber ribbon which comprises a plurality of optical fibers and yarns, wherein the optical fibers are arranged in parallel, the yarns shuttle up and down between adjacent parallel optical fibers along the parallel direction of the optical fibers to and fro to form a woven optical fiber ribbon taking the optical fibers as warps and the yarns as wefts. The optical fiber ribbon woven by the yarns has the advantages that the optical fiber is not stressed and can be easily bent, and the subsequent optical cable production is facilitated.

Description

Optical fiber ribbon and optical fiber ribbon production equipment

Technical Field

The invention particularly relates to a production process of an optical fiber ribbon.

Background

The traditional optical fiber ribbon is coated on the arranged optical fibers through UV resin, and then is subjected to UV curing, and the structure of the traditional optical fiber ribbon is divided into an edge bonding type, an integral cladding type or a reticular optical fiber ribbon. However, the optical fiber ribbon formed by the method has the following defects:

1) for the optical fiber ribbon of the edge bonding type or the integral cladding type, because the UV resin is continuously coated around the optical fiber, the optical fiber ribbon cannot be bent in the transverse direction due to certain hardness, so that enough space must be reserved for the optical fiber ribbon in the plastic sheathing process production, the size of the optical fiber cable is larger, the purpose of energy conservation and consumption reduction cannot be achieved, and meanwhile, because the outer diameter of the optical fiber cable is larger, the use and construction cost is increased under the condition that urban pipeline resources are increasingly tense;

2) neotype netted optical fiber ribbon or for flexible optical fiber ribbon, optic fibre reaches crooked function through spaced UV resin coating, but owing to still adopting the UV resin solidification, the optical fiber ribbon is when crooked, and optic fibre still can the atress in curing point department, causes the decay easily to be bigger than normal, and the production technology of interval coating UV resin is complicated simultaneously, and is with high costs, is unfavorable for the large tracts of land and promotes.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provide an optical fiber ribbon combining process which can be bent easily and has a simple preparation process.

In order to achieve the purpose, the invention provides an optical fiber ribbon which comprises a plurality of optical fibers and yarns, wherein the optical fiber ribbon also comprises the yarns, the optical fibers are arranged in parallel, and the yarns shuttle up and down between the adjacent parallel optical fibers along the parallel direction of the optical fibers to form a woven optical fiber ribbon taking the optical fibers as warps and the yarns as wefts.

The optical fiber ribbon woven by the yarns has the advantages that the optical fiber is not stressed and can be easily bent, and the subsequent optical cable production is facilitated.

Further, the width of the weft in the optical fiber ribbon is larger than the width formed by the optical fibers forming the optical fiber ribbon after being tiled without gaps, wherein the width of the weft in the optical fiber ribbon is 110% -120% of the total width of the optical fibers after being tiled without gaps.

The invention also provides optical fiber ribbon production equipment, which comprises a plurality of pay-off frames respectively wound with optical fibers, a winding frame connected with the optical fibers on the pay-off frames and driving the optical fibers to move through rotation, and a wire pressing wheel arranged between the pay-off frames and the winding frame, and is characterized by also comprising an elliptical group wheel, a wire guide wheel, a shuttle bracket, a pushing mechanism and a shuttle internally provided with yarns; the elliptic group wheels comprise a rotating shaft and two groups of elliptic wheels which are respectively arranged on the rotating shaft in parallel at two different circumferential positions, and the two groups of elliptic wheels are arranged at intervals along the axial direction; the elliptic group is arranged between the wire pressing wheel and the wire guide wheel and is arranged below or above the wire pressing wheel and the wire guide wheel, the wire pressing wheel enables the optical fibers to be flatly laid on the wheel surface at the lower end, and the flatly laid optical fibers are respectively enveloped at one radial end of the elliptic wheels at two circumferential positions according to the adjacent relation and are separated; the two shuttle supports are respectively arranged on two sides of the elliptical group wheel and are positioned on a straight line, the two pushing mechanisms are respectively arranged on the outer sides of the shuttle supports on the corresponding sides, the shuttles are slidably supported on the shuttle supports and correspond to the positions where the adjacent optical fibers are separated, and the two pushing mechanisms push the shuttles to horizontally reciprocate in the optical fibers separated from top to bottom to form a woven optical fiber ribbon taking the optical fibers as warps and yarns as wefts.

According to the invention, the gaps formed by different circumferential arrangements of the adjacent elliptical wheels of the elliptical group wheels are combined with the pushing mechanisms arranged on the two sides to push the shuttles to carry the yarns to pass back and forth between the gaps, and the optical fibers passing through the shuttles during reciprocating operation are subjected to up-down interval conversion by rotating the elliptical group wheels, so that the yarns weave the optical fibers into a belt.

Furthermore, the wire pressing wheel is provided with an optical fiber groove matched with the space between the adjacent elliptic wheels on the elliptic wheel set, and the optical fibers are respectively tiled at equal intervals through the corresponding optical fiber grooves.

The optical fiber ribbon production equipment further comprises a forming die arranged between the oval group wheel and the winding frame, wherein a rectangular hole is formed in the forming die, and the height of the rectangular hole is matched with the sum of the diameter of the optical fiber and the thickness of twice the yarn.

In some embodiments, the pushing mechanism preferably comprises a cam, a push rod and a push rod pin; the cam is provided with three arc concave surfaces which are uniformly distributed along the circumferential direction, and the adjacent arc concave surfaces are smoothly connected at the mutual close end to form three rotating rods with arc concave surfaces and end parts at two sides; the push rod is arranged on one side of the cam in a sliding manner, and the two push rod pins are arranged on one side of the push rod along the length direction of the push rod and are always positioned between the rotating rods; when the cam rotates, the rotating rod between the two push rod pins successively and respectively acts on the push rod pins on the corresponding side through the arc concave surfaces on the two sides, so that the push rod can contact one of the push rod pins in a reciprocating motion.

Through the cooperation use of the push rod round pin that sets up on cam and the push rod for push mechanism can reply initial position after giving the shuttle thrust, waits for the shuttle to reply the motion after, last spaced give the shuttle thrust so that the shuttle can constantly pass between oval group's wheel.

The center of the end part of a rotating rod and the center of the arc concave surface which does not form the rotating rod are positioned in the same radial direction, the maximum rotation radius of the cam is from the center of the end part of the rotating rod to the rotation center of the cam, and the minimum rotation radius of the cam is from the center of the arc concave surface to the rotation center of the cam.

Furthermore, the push rod is connected to one side of the cam in a sliding mode through a sliding assembly; the sliding assembly comprises a guide wheel arranged on one side face of the push rod and a guide rail for guiding the guide wheel, or the sliding assembly comprises sliding support seats connected to two ends of the push rod in a sliding mode.

Furthermore, the shuttle comprises a shell and a winding assembly which is rotatably arranged in the shell, a lead hole is arranged on the shell, and the yarn wound on the winding assembly is led out from the lead hole.

In some embodiments, the winding reel assembly preferably comprises a winding reel and winding baffles, the two winding reel baffles are connected to two end positions of the winding reel and extend from two ends of the winding reel to the outside of the winding reel, and the winding reel assembly is wound around the winding reel in the two winding reel baffles.

Furthermore, the shell is an injection molding piece and consists of an upper shell and a lower shell which can be buckled; the top end of the upper shell is provided with a lifting opening for buckling or separating the upper shell and the lower shell; the inner cavity of the lower shell is provided with two supporting seats which are parallel to each other and are matched with the two coiling baffle plates in spacing, the two supporting seats are respectively provided with a supporting groove, and the coiling assembly is rotatably arranged in the shell by respectively supporting the two ends of the coiling shaft in the corresponding supporting grooves. The yarn is convenient to replace through the buckled shell.

Compared with the prior art, the invention has the following advantages:

1) the optical fiber ribbon is prepared by weaving yarns, so that the optical fiber is not stressed and can be easily bent, and the subsequent optical cable production is facilitated;

2) resin is not needed in the production process of the optical fiber ribbon, so that the optical fiber ribbon is energy-saving and environment-friendly;

3) the weaving production process is simple and can be popularized in a large area.

Drawings

FIG. 1 is a schematic view of a fiber optic ribbon according to the present invention;

FIG. 2 is a schematic width view of an optical fiber after gapless tiling;

fig. 3 is a schematic structural view of an optical fiber ribbon production apparatus according to embodiment 1 of the present invention;

FIG. 4 is an enlarged view of a portion of the production apparatus shown in FIG. 3;

FIG. 5 is a schematic structural view of a creasing wheel;

FIG. 6 is an axial cross-sectional view of an elliptical cluster wheel;

FIG. 7 is an axial cross-sectional view of the shuttle;

FIG. 8 is a schematic view of a snap-fit portion of the upper housing and the lower housing;

figure 9 is a schematic view of the shuttle housing construction.

FIG. 10 is a cross-sectional view of the housing of FIG. 9 at location A-A;

FIG. 11 is a schematic diagram of the configuration of the line reeling assembly in the shuttle;

fig. 12 is a right side view of a partial position shown in the production apparatus of fig. 3.

FIG. 13 is a schematic structural view of a pushing mechanism;

FIG. 14 is a cross-sectional view of the push mechanism of FIG. 13 at a location B-B;

FIG. 15 is a schematic structural view of another pushing mechanism;

fig. 16 is a schematic diagram of a ribbon weaving process, wherein: the drawing a shows that the shuttles move to the right by the push rod on the left side and start to enter the separated adjacent optical fibers, the drawing b shows that the shuttles partially penetrate out of the parallel optical fibers, the drawing c shows that the shuttles moving to the right side touch the push rod on the right side and are pushed by the push rod on the right side, and the drawing d shows that the shuttles enter the separated adjacent optical fibers from the right side under the pushing of the push rod on the right side;

fig. 17 is a schematic structural view of a fiber optic ribbon production apparatus according to embodiment 2 of the present invention;

fig. 18 is a cross-sectional view of a forming die at a location C-C in the fiber optic ribbon production apparatus of fig. 17.

In the figure, 1-optical fiber ribbon, 11-optical fiber, 12-yarn, 2-elliptical group wheel, 21-elliptical wheel, 22-rotating shaft, 211-wire placing groove, 3-pushing mechanism, 30-motor, 31-cam, 32-push rod pin, 33-push rod, 34-guide rail, 35-guide wheel, 36-sliding supporting seat, 4-shuttle, 41-lower shell, 411-lead hole, 412-scroll supporting seat, 423-supporting groove, 42-upper shell, 421-pulling opening, 43-winding assembly, 431-winding shaft, 432-winding baffle, 5-supporting frame, 51-shuttle bracket, 61-pay-off frame, 62-winding frame, 7-forming die, 71-rectangular hole, 8-line pressing wheel, 81-fiber groove, 91-guide wheel, 92-guide wheel.

Detailed Description

The invention is described in detail below with reference to the figures and the specific embodiments.

Example 1

The present invention weaves and ribbons optical fibers with yarns to form a woven optical fiber ribbon 1 as shown in fig. 1. The optical fiber ribbon 1 is combined through yarns, and a proper gap is kept between the adjacent optical fibers 11, so that the optical fibers are basically free from acting force caused by ribbon combination materials and can be easily bent, and the bending modulus of the optical fiber ribbon can be greatly reduced. Referring to fig. 2, the present invention characterizes the fiber gap in the ribbon by the percentage of the ribbon's fill width L1 to the total width L2 after the fibers are laid flat without gaps, the percentage of L1/L2 set for maintaining proper fiber gap is 110% to 120%.

The optical fiber ribbon production equipment adopted by the optical fiber ribbon comprises a pay-off rack 61, a wire-pressing wheel 8, an elliptical group wheel 2, a shuttle 4, a pushing mechanism 3, a supporting rack 5, a wire guide wheel 9 and a winding rack 62, as shown in fig. 3 and 4.

A plurality of optical fibers 11 required for forming the optical fiber ribbon 1 are respectively wound on a pay-off rack 6, one led-out ends are connected to a winding rack 7, and synchronous translation of each optical fiber 11 required for weaving is generated by rotation of the winding rack 7. Optical fibers 11 which are led out from each pay-off rack 6 and are positioned at different height positions are pressed by the wire pressing wheel 8 and are tiled on the wheel surface, the adjacent optical fibers 11 are tiled, then the adjacent optical fibers are separated by the oval wheel set 2, and the shuttle 4 passes through the separated optical fibers in a reciprocating manner to perform weaving motion, so that the optical fiber ribbon 1 which takes a plurality of optical fibers 11 as warps and yarns as wefts is formed. The guide roller 9 guides the plurality of optical fibers 11 not originally involved in the braiding and the optical fiber braid 1 formed by the braiding to the take-up reel 7. The guide wheel 9 and the wire guide wheel 8 have a pressing function, and the guide wheel and the wire guide wheel 8 jointly act to enable each optical fiber 11 which is laid flat to be wrapped on the oval group wheel 2, so that the oval group can be arranged below or above the space between the wire guide wheel and the wire guide wheel, and the oval group is arranged above in the embodiment.

In order to keep the plurality of optical fibers participating in the weaving to run at a stable equal interval in the weaving process, the wire pressing wheel 8 is provided with optical fiber grooves 81 matched with the interval of the adjacent elliptical wheels on the elliptical group wheel, and as shown in fig. 5, the plurality of optical fibers are respectively paved on the lower end wheel surface of the wire pressing wheel at an equal interval through the corresponding optical fiber grooves after passing through a pay-off rack.

As shown in fig. 6, the elliptical group wheel 2 includes a rotating shaft 22 and two groups of elliptical wheels 21 mounted on the rotating shaft in parallel at two different circumferential positions, respectively, and the two groups of elliptical wheels are arranged at intervals in the axial direction. Two sets of elliptical wheels 21 in this embodiment are installed on the rotating shaft 22 according to two kinds of circumferential positions that differ by 90 °, so that the long and short axes on the two sets of elliptical wheels are perpendicular to each other, and the two sets of elliptical wheels form a neutral position between the circumferential position differences, and the optical fibers that are tiled through the creasing rollers 8 are respectively enveloped at one radial end of the elliptical wheels at two circumferential positions according to the adjacent relation, and are separated. The shuttle 4 is arranged at a position corresponding to a neutral gear, the elliptical group wheel 2 is driven to rotate through the stepping motor, the shuttle passes through the neutral gear of the elliptical group wheel, the elliptical group wheel rotates 90 degrees every time the shuttle passes through 1 time, and the directions of the major axis and the minor axis are changed. With the translation of the optical fibers and the rotation of the elliptical group wheel, the adjacent optical fibers are separated up and down at the neutral position translated to the elliptical group wheel, and the shuttle with the yarn inside drives the yarn to shuttle back and forth between the adjacent optical fibers separated up and down, so that the woven optical fiber ribbon 1 taking the optical fibers as warp and the yarn as weft is formed.

In order to ensure that the optical fibers are stably and reliably translated, the elliptical wheel of the embodiment is provided with the wire placing grooves 211, a plurality of optical fibers which participate in weaving are respectively embedded into the corresponding wire grooves 211, and the wire grooves 211 on the wire pressing wheel 8 are tiled at equal intervals.

As shown in fig. 7, shuttle 4 includes a housing and a line reeling assembly 43 rotatably disposed within the housing. The casing is an injection molding, and has an olive shape with a smooth surface, a lead hole 411 is arranged on the casing, and the casing is formed by buckling an upper casing 41 and a lower casing 42, and the two casings are limited and buckled at the buckling part through a corresponding step surface as shown in fig. 8.

The top end of the upper shell 41 is provided with a lifting opening 421 for buckling or separating the upper shell and the lower shell, the lifting opening plays a role of a hand grip for separating and combining the two shells, the outer surface of the shell is free from a bulge which is usually formed by the hand grip through the design of the lifting opening, and the olive shape is kept at the position for providing the hand grip, so that the smooth and stable operation of the shuttle is ensured.

The inner side of the lower housing 41 is provided with a reel supporting base 412 which is integrally formed and parallel to each other, and a supporting groove 413 is formed at the center of the upper end of the reel supporting base, as shown in fig. 9 and 10. As shown in fig. 11, the winding assembly 43 includes a winding shaft 431 and winding baffles 432, which are connected to both end portions of the winding shaft, and extend both ends of the winding shaft beyond the winding baffles at the corresponding ends, and the yarn is wound around the winding shaft in the two winding baffles. To enable more yarn to be wound on the take-up assembly, the spacing between the two take-up baffles is adapted to the spool support 412. The end of the spool 431 extending beyond the spool stop is rotatably supported in the support groove 413 of the spool support base at the corresponding end. The thread hole 411 of this embodiment is provided on the lower housing, and the yarn wound on the winding assembly 43 extends out of the housing through the thread hole 411, and the yarn is continuously pulled out from the thread hole along with the movement of the shuttle and drives the winding assembly 43 to rotate in the supporting groove 413.

Referring to fig. 12, the shuttles are slidably supported on shuttle supports 51, the two shuttle supports 51 are disposed on both sides of the oval wheel axle, and the two pushing mechanisms 3 are respectively disposed on the outer sides of the corresponding shuttle supports, as shown in fig. 13 and 14, the pushing mechanism includes a cam 31, a push rod 33, a support 36 and a motor 30 for driving the cam 31 to rotate, both ends of the push rod 33 are disposed in the slide support 36, and two push rod pins 32 having the same height and disposed left and right are disposed thereon. The cam 31 is provided with three identical arc concave surfaces S1, S2 and S3 which are uniformly distributed along the circumferential direction, the adjacent ends of the adjacent concave surfaces are smoothly connected by arc surfaces to form three rotating rods R1, R2 and R3, the two sides of each rotating rod are provided with the arc concave surfaces and the smooth end parts, the end parts of the rotating rods have the largest rotating radius from the rotating center of the cam 31, and the center of each arc concave surface has the smallest rotating radius from the rotating center of the cam 31. The push rod 33 is slidably disposed on one side of the cam 31, and two push rod pins 32 are disposed thereon along the length direction, and a rotating rod is always disposed between the two push rod pins. When the end of one of the turning levers touches one of the push rod pins, the other push rod pin is located at the midpoint of the circular arc surface opposite the turning lever, as shown in fig. 16, whereby the distance between the two push rod pins 32 is adapted to the sum of the maximum turning radius and the minimum turning radius.

The sliding arrangement of the push rod 33 can adopt a guide rail structure as shown in fig. 12-14, a guide wheel 35 is arranged on one side of the push rod 33, a guide rail 34 is arranged on the corresponding position on the supporting frame 5, and the push rod 33 is connected to the guide rail 34 in a sliding way through the guide wheel 35, so that the translational movement of the push rod is realized. The sliding bearing seat structure shown in fig. 15 may also be adopted, the bearing seats 36 are respectively arranged at the positions of the bearing frame 5 corresponding to the two ends of the push rod 33, and the push rod 33 is slidably supported in the corresponding bearing seats 36 through the two ends, so as to realize the translational motion of the push rod. When the pushing mechanism is operated, if the position shown in fig. 12 is taken as the initial operating position, the shuttle 4 is on the left shuttle support, the two push rod pins on the push rod on the left pushing mechanism are respectively positioned at the convex end R1 of the cam 31 and the center of the arc concave surface S2, and the push rod does not contact the shuttle. With the rotation of the cam 31, the arc surface S2 drives the push rod 33 to move to the right, the right end of the push rod strikes the shuttle when moving to the position of the shuttle, so that the shuttle moves to the right, when the centers of the convex end R2 and the arc concave surface S2 are respectively contacted with the left push rod pin and the right push rod pin, the push rod reaches the rightmost end position, the inertia of the shuttle due to the strike of the push rod moves to the right to enter the neutral position between the elliptical group wheels 2 and pass through the yarns which are separated up and down according to the adjacent relationship, as shown in fig. 16a and 16 b; when the shuttle passes through the elliptical group wheel 2 to the left and falls on the shuttle support on the right, the shuttle is pushed to the right by the right pushing mechanism in the same way, as shown in fig. 16c and 16 d. Therefore, the pushing mechanisms on the two sides push the shuttle to perform weaving movement of reciprocating yarn passing repeatedly at intervals.

Example 2

This example is further improved on the basis of example 1. As shown in fig. 17, a ribbon-shaped forming mold 7 is added between the elliptical group wheel and the winding frame, and in combination with fig. 18, a rectangular hole 71 is formed in the ribbon-shaped forming mold, and the braided optical fiber ribbon is further formed through the rectangular hole 71, so that the braided optical fiber ribbon is flatter and has good size consistency. And the front sides of the wire pressing wheel 8 and the shape die 7 relative to the movement direction of the optical fiber ribbon are respectively provided with a guide wheel 92, so that the optical fiber and the optical fiber ribbon can run more stably.

Claims

1. an optical fiber ribbon, comprising several optical fibers, is characterized in that: also comprises yarn, several optical fibers are arranged in parallel, and the yarn is shuttled back and forth between adjacent parallel optical fibers along several optical fibers parallel directions, forming an optical fiber as Braided fiber optic ribbon with warp and yarn as weft.

2 . An optical fiber ribbon according to claim 1 , wherein the width of the weft in the optical fiber ribbon is greater than the width formed after the optical fibers forming the optical fiber ribbon are tiled without gaps, wherein the width of the equator of the optical fiber ribbon is 110% to 120% of the total width of the fiber after tiling without gaps.

3. Optical fiber ribbon production equipment, including several pay-off racks respectively wound with optical fibers, a take-up rack that connects the optical fibers on each pay-off rack and drives the optical fiber to move through rotation, and a crimping line arranged between the pay-off rack and the take-up rack The wheel is characterized in that it also includes a shuttle bracket, a pushing mechanism, a shuttle with built-in yarn, and an elliptical group wheel and a wire wheel that are sequentially arranged between the pressing wheel and the take-up frame according to the translation direction of the optical fiber; the elliptical group wheel includes The rotating shaft and two sets of elliptical wheels are installed on the rotating shaft side by side in two different circumferential positions, and the two sets of elliptical wheels are arranged at intervals along the axial direction; According to the adjacent relationship, the radial one end of the elliptical wheel in the two circumferential positions is respectively enclosed and separated; the two shuttle brackets are respectively placed on both sides of the elliptical set wheel and are in a straight line, and the two push mechanisms are placed on the corresponding side respectively. On the outer side of the shuttle bracket, the shuttle is slidably supported on the shuttle bracket and corresponds to the position where the adjacent optical fibers are separated. The two pushing mechanisms push the shuttle to perform horizontal reciprocating motion in the upper and lower separated optical fibers, forming the optical fiber as the warp and the yarn as the yarn. Braided fiber optic ribbon for weft.

4. The optical fiber ribbon production equipment according to claim 3, is characterized in that, the described crimping wheel is provided with the optical fiber groove that is matched with the spacing of adjacent elliptical wheels on the elliptical group wheel, and several optical fibers are respectively passed through the corresponding optical fiber grooves to be equidistant. Spacing tiles.

5. The optical fiber ribbon production equipment according to claim 3, further comprising a forming die arranged between the elliptical group wheel and the take-up frame, the forming die is provided with a rectangular hole, the height of the rectangular hole is the same as that of the optical fiber. The diameter is adapted to the sum of twice the yarn thickness.

6. The optical fiber ribbon production equipment according to claim 3, wherein the pushing mechanism comprises a cam, a push rod and a push rod pin; the cam is provided with three circular arc concave surfaces uniformly distributed along the circumferential direction, adjacent to The arc concave surfaces are smoothly connected at the mutually close ends to form three rotating rods with arc concave surfaces and ends on both sides; the push rod is slidably arranged on one side of the cam, and the two push rod pins are along the length of the push rod. The direction is set on one side of the push rod, and is always between a rotating rod; when the cam rotates, the rotating rod between the two push rod pins acts on the push rod pins on the corresponding side successively through the arc concave surfaces on both sides. Reciprocate the push rod against one of the push rod pins.

7 . The optical fiber ribbon production equipment according to claim 6 , wherein the center of the end of the rotating rod and the center of the arc concave surface not forming the rotating rod are in the same radial direction, and the end of the rotating rod is in the same radial direction. 8 . The maximum rotation radius of the cam is from the center to the rotation center of the cam, and the minimum rotation radius of the cam is from the center of the arc concave surface to the rotation center of the cam.

8 . The optical fiber ribbon production equipment according to claim 3 , wherein the shuttle comprises a casing and a reel assembly rotatably placed in the casing, the casing is provided with a lead hole, and the shuttle is wound on the reel. 9 . The yarn on the wire assembly is led out from the lead hole.

9 . The optical fiber ribbon production equipment according to claim 8 , wherein the reeling assembly is composed of a reel and a reel baffle, and the two reel baffles are connected at both ends of the reel and make the reel. 10 . The two ends extend out of the reeling baffles at the corresponding ends, and are wound on the reeling spools in the two reeling baffles.

10. The optical fiber ribbon production equipment according to claim 9, wherein the casing is an injection molded part and is composed of an upper casing and a lower casing that can be snapped together; A pull-up opening where the shell and the lower shell are buckled or separated; the inner cavity of the lower shell is provided with two support seats that are parallel to each other and the spacing is adapted to the spacing of the two winding baffles, and the two support seat plates are respectively provided with support grooves , the reeling assembly is supported by the two ends of the reeling shaft respectively in the corresponding supporting grooves and can be rotatably placed in the housing.